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Customer Review

94 of 101 people found the following review helpful
1.0 out of 5 stars Lacks impedence protection, May 14, 2010
This review is from: Pyle Home PSPVC4 4-Channel High Power Stereo Speaker Selector with volume Control (Electronics)
I purchased this device to deliver sound to four sets of speakers. Only when I received it and read the instructions did I learn that powering all four sets simultaneously would drop the impedence to a dangerous 2.4 ohms. This low level can damage most amplifiers. I need a selector with impedence protection to deliver sound to all four sets. This selector is useful for switching between speakers, using only up to two sets at a time.
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Showing 1-7 of 7 posts in this discussion
Initial post: Apr 28, 2011 9:39:15 PM PDT
Keith L. K. says:
Thanks--that is extremely important.

Posted on May 24, 2012 1:49:48 PM PDT
I'm fairly certain that pyle just did a poor job writing these manuals, and they do have impedence matching. I've used there 6 channel selector without issues several times. We've also had the volume blasting without amplifier failure. 1.7 ohms on a $200 amp wouldn't last very long... and I've had systems up for a year with unit.

Posted on Jun 4, 2012 8:30:00 AM PDT
VB Amazon says:
"Random" I bought this product about the same day you posted this comment so I missed it. I got mine on the 17th and was kind of upset that it doesn't have impedence matching per the manual...because that is what I was looking for too. But maybe David Westcoat's comment below may be true too, because it seems like an awefully robust compontent with lots of ventilation to just be a set of switches...must be some resistors in there to balance impedence... I'm going to put a bunch of speakers on mine and put a multi meter on it and measure the resistance... Seems very much like a commercial component (by looking at connectors and such) so I can't believe it doesn't have impedence protection. If it doesn't, it's going back.

Posted on Jun 10, 2012 8:28:29 PM PDT
Thanks for your feedback. I was just about to purchase this item until I read your feedback. I need a device to deliver reliable output to all four speaker sets at any given point in time. I, and I would think anyone would want impedence protection. Why would a manufacturer develop a product and bring it to market without this valuable feature. I WILL NOT be purchasing this item and I would not recommend or direct others to an item that is obviously flawed.

In reply to an earlier post on Jun 10, 2012 8:30:12 PM PDT
How was your testing of the device?

In reply to an earlier post on Oct 4, 2012 2:19:17 AM PDT
fatty44 says:
did you ever find out if this item does have impedence protection?
thanks

Posted on Feb 18, 2013 9:36:29 AM PST
A. Roe says:
I called the manufacturer... indeed, the impedance drops to 2.4 for the 4 set selector, and 1.7 for the 6 set. The manual is accurate....check your amplifier's specs, and beware!
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